Franklin Wendell "Frank" Welker (born March 12, 1946) is an American voice actor. He is known for his long running role of Fred Jones (1969-present) and Scooby-Doo (2002-present) in the Scooby Doo franchise, Ray Stantz and Slimer on The Real Ghostbusters, Megatron on Transformers, Garfield in various forms of media, the Gorilla on SpongeBob SquarePants, characters from Tiny Toon Adventures like Gogo Dodo, Furball, etc; Father Time in Histeria!; and is known for providing the vocals for animals in various producions. One example is Nibbler from Futurama where Frank does both his speaking voice and animal noises.
He is best known to Animaniacs fans for voicing characters such as, Thaddeus Plotz, Ralph T. Guard, Runt, Buttons, Chicken Boo, Flavio Hippo, Phar Fignewton, and other characters. He has reprised his roles as Ralph, Plotz and Chicken Boo in the Animaniacs reboot in addition to playing multiple new characters. Buttons and Runt make silent cameos in the series.
- As of 2022, Welker holds over 860 film, television, and video game credits in his large resume, making him one of the most prolific voice actors of all time. With a total worldwide box-office gross of $17.4 billion, he is also the third highest-grossing actor of all time.
- Executive producer Steven Spielberg has been voiced by Welker in various episodes of the original Animaniacs, Tiny Toon Adventures, Pinky and the Brain, and Freakazoid!. The role would later be taken on by Andy Milder in the Animaniacs reboot cartoon "Jurassic Lark" following a number of auditions for the role. 
- Bradshaw, Peter (August 9, 2011). Frank Welker: The Most Successful Hollywood Actor You've Never Heard Of. The Guardian. Archived from the original on April 14, 2021. Retrieved on May 11, 2022.
- Tweet by Gabe Swarr. Published October 14, 2020. Retrieved May 11, 2022. Archived October 14, 2020.